Home / 120,417.99-180,620.04-36,176.35

Finding the Fourth Proportional to 120,417.99, 180,620.04 and 36,176.35

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Solution

The fourth proportional to 120,417.99, 180,620.04 and 36,176.35 is: 54,262.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,417.99 : 180,620.04 = 36,176.35 : x
  2. Step 2: Convert to fraction form
    120,417.99/180,620.04 = 36,176.35/x
  3. Step 3: Cross multiply
    120,417.99x = 180,620.04 × 36,176.35
  4. Step 4: Simplify right side
    120,417.99x = 6,534,173,784.05
  5. Step 5: Solve for x
    x = 6,534,173,784.05/120,417.99
  6. Step 6: Final answer
    x = 54,262.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.